Can you think of any three-dimensional shape that comprises of exactly two surfaces?

You need to arrange three 7 and mathematical symbols to form number 1?

There are 2 sand hourglasses.

The small one can measure 5 hours and the large one can measure 7 hours.

How can we measure 16 hours with 2 sand hourglasses running together ?

You see a boat filled with people, yet there isn’t a single person on board. How is that possible?

Can you decipher the below rebus?

PBLUESAISNUERSES

I have eight fingers and two thumbs but I do not live. What Am I?

Rearrange the letters in "new door" to make one word.

How many cubic feet of dirt are in a hole of one foot deep, three feet long, and two feet wide?

What does an Island and the letter T have in common?

Two old friends, Jack and Bill, meet after a long time.

Three kids
Jack: Hey, how are you, man?
Bill: Not bad, got married and I have three kids now.
Jack: That's awesome. How old are they?
Bill: The product of their ages is 72 and the sum of their ages is the same as your birth date.
Jack: Cool..But I still don't know.
Bill: My eldest kid just started taking piano lessons.
Jack: Oh, now I get it.

How old are Bill's kids?